linux-kernel - [PATCH] media: venus: support frame rate control

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Date:   Tue, 18 Feb 2020 11:13:14 -0800
From:   Jeffrey Kardatzke <jkardatzke@...gle.com>
To:     linux-media@...r.kernel.org
Cc:     Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Andy Gross <agross@...nel.org>,
        "Mauro Carvalho Chehab )" <mchehab@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jeffrey Kardatzke <jkardatzke@...gle.com>
Subject: [PATCH] media: venus: support frame rate control

Frame rate control is always enabled in this driver, so make it silently
support the V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE.

Signed-off-by: Jeffrey Kardatzke <jkardatzke@...gle.com>
---
 drivers/media/platform/qcom/venus/venc_ctrls.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
index 877c0b3299e9..15852bc26231 100644
--- a/drivers/media/platform/qcom/venus/venc_ctrls.c
+++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
@@ -199,6 +199,9 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
 		}
 		mutex_unlock(&inst->lock);
 		break;
+	case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
+		/* Silently ignore, it's always enabled. */
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -214,7 +217,7 @@ int venc_ctrl_init(struct venus_inst *inst)
 {
 	int ret;
 
-	ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 30);
+	ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 31);
 	if (ret)
 		return ret;
 
@@ -351,6 +354,9 @@ int venc_ctrl_init(struct venus_inst *inst)
 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 			  V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME, 0, 0, 0, 0);
 
+	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+			  V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, 0, 1, 1, 1);
+
 	ret = inst->ctrl_handler.error;
 	if (ret)
 		goto err;
-- 
2.25.0.265.gbab2e86ba0-goog